An asteroid could wipe out an entire city – here’s NASA’s plan to prevent catastrophe 
This near-Earth asteroid may be a chunk knocked off of the moon
“Pulverize It”: The plan to slice and dice space rocks
Nuking an asteroid heading to Earth really could protect us
Astronomers discover solar system’s fastest-orbiting asteroid
NASA updates the odds on Bennu asteroid hitting Earth
Psyche asteroid might not be a planetary core after all
Is NASA ready for an asteroid impact?
Can Japan’s asteroid samples show us how life began?
Bacteria could make space mining 400% more efficient